Idaho, 1991

Tornado and Hail in Idaho, September 10, 1991

September 10, 1991 · NWS BOI · 5 events in 4 counties and zones

3 thunderstorm wind, 1 hail, 1 tornado, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
5

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Event by event

3 thunderstorm wind, 1 hail, 1 tornado. Local standard time, as filed.

Hail, Owyhee

When
September 10, 2:30 PM CST
Where
Owyhee County
Measured
0.75 in hail
Coordinates
42.380, -115.880

Thunderstorm Wind, Twin Falls

When
September 10, 3:30 PM CST
Where
Twin Falls County
Coordinates
42.570, -114.470

Thunderstorm Wind, Gooding

When
September 10, 3:30 PM CST
Where
Gooding County
Coordinates
42.930, -114.930

Thunderstorm Wind, Lincoln

When
September 10, 3:40 PM CST
Where
Lincoln County
Coordinates
42.900, -114.270

Tornado, Twin Falls

When
September 10, 3:00 PM MST
Where
Twin Falls County
Rating
F0
Path length
0.1 mi
Path width
20 yd
Coordinates
42.450, -114.300

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Idaho in 1991Every state in 1991This day in weather historyThe tornado archive for Idaho, 1991Warnings in Idaho, September 1991

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 10008581, 10008583, 10008584, 10008585, 10008582.